DE69309720T2 - PLATE CLAMPING AND SPACING ELEMENT - Google Patents

PLATE CLAMPING AND SPACING ELEMENT

Info

Publication number
DE69309720T2
DE69309720T2 DE69309720T DE69309720T DE69309720T2 DE 69309720 T2 DE69309720 T2 DE 69309720T2 DE 69309720 T DE69309720 T DE 69309720T DE 69309720 T DE69309720 T DE 69309720T DE 69309720 T2 DE69309720 T2 DE 69309720T2
Authority
DE
Germany
Prior art keywords
disc
spacer
lip
clamp
assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE69309720T
Other languages
German (de)
Other versions
DE69309720D1 (en
Inventor
Iraj Jabbari
Thomas Hickox
Ramgopal Battu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Seagate Technology LLC
Original Assignee
Seagate Technology LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Seagate Technology LLC filed Critical Seagate Technology LLC
Publication of DE69309720D1 publication Critical patent/DE69309720D1/en
Application granted granted Critical
Publication of DE69309720T2 publication Critical patent/DE69309720T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details
    • G11B17/038—Centering or locking of a plurality of discs in a single cartridge
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/02—Details

Landscapes

  • Holding Or Fastening Of Disk On Rotational Shaft (AREA)
  • Magnetic Heads (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

Magnetic hard discs are clamped on a disc spacer by integral spacer flanges. The spacer's diameter is slightly larger than the disc interior diameter thereby providing a radial clamping load. The discs are fit onto the spacer either by providing a small gap in the annulus of the spacer ring or by first cooling the spacer. The entire disc spacer and disc assembly is mounted on the drive spindle as a unit. A disc clamp clamps the assembly to a spindle flange by means of a lip on the interior of the spacer. The lip is preferably spaced axially below the top surface of the top most disc so that both the clamp and the clamp's mounting screw can be placed axially below the top surface of the top disc to thereby provide a low profile spindle/disc stack assembly. In another embodiment, the lip has an inclined surface to impart an additional radial load force to the top disc.
DE69309720T 1993-08-13 1993-08-13 PLATE CLAMPING AND SPACING ELEMENT Expired - Fee Related DE69309720T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1993/007652 WO1995005660A1 (en) 1993-08-13 1993-08-13 Disc clamp and spacer

Publications (2)

Publication Number Publication Date
DE69309720D1 DE69309720D1 (en) 1997-05-15
DE69309720T2 true DE69309720T2 (en) 1997-07-17

Family

ID=22236851

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69309720T Expired - Fee Related DE69309720T2 (en) 1993-08-13 1993-08-13 PLATE CLAMPING AND SPACING ELEMENT

Country Status (7)

Country Link
EP (1) EP0713599B1 (en)
JP (1) JP3325577B2 (en)
AT (1) ATE151558T1 (en)
DE (1) DE69309720T2 (en)
HK (1) HK1007819A1 (en)
RU (1) RU2126557C1 (en)
WO (1) WO1995005660A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100347782C (en) * 1998-07-31 2007-11-07 索尼公司 Disc-shaped recording medium and disc driving system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60193156A (en) * 1984-03-14 1985-10-01 Fujitsu Ltd Fitting structure of magnetic disk
US4764828A (en) * 1987-03-26 1988-08-16 Priam Corporation Disc and hub centering device for use in magnetic disc drives
US4905110A (en) * 1988-03-25 1990-02-27 Magnetic Peripherals Inc. Disk drive spindle motor
US4945432A (en) * 1988-03-31 1990-07-31 Hoya Electronics Corporation Magnetic disk drive with brittle disks
DE3816975A1 (en) * 1988-05-18 1989-11-30 Siemens Ag Disk drive of a data storage device
US5136450A (en) * 1991-01-10 1992-08-04 Seagate Technology, Inc. Disc pack assembly having a laminate sleeve disposed between a spindle and a disc, for reducing radial disc displacement
US5243481A (en) * 1991-09-25 1993-09-07 Integral Peripherals, Inc. Clamp for information storage disk

Also Published As

Publication number Publication date
RU2126557C1 (en) 1999-02-20
EP0713599A1 (en) 1996-05-29
ATE151558T1 (en) 1997-04-15
HK1007819A1 (en) 1999-04-23
JPH09504133A (en) 1997-04-22
EP0713599B1 (en) 1997-04-09
DE69309720D1 (en) 1997-05-15
JP3325577B2 (en) 2002-09-17
WO1995005660A1 (en) 1995-02-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SEAGATE TECHNOLOGY LLC, SCOTTS VALLEY, CALIF., US

8328 Change in the person/name/address of the agent

Free format text: HENKEL, FEILER & HAENZEL, 81675 MUENCHEN

8339 Ceased/non-payment of the annual fee